CN107531372A - Lid - Google Patents

Lid Download PDF

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Publication number
CN107531372A
CN107531372A CN201680026103.2A CN201680026103A CN107531372A CN 107531372 A CN107531372 A CN 107531372A CN 201680026103 A CN201680026103 A CN 201680026103A CN 107531372 A CN107531372 A CN 107531372A
Authority
CN
China
Prior art keywords
lid
ring
content
cylindric
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680026103.2A
Other languages
Chinese (zh)
Other versions
CN107531372B (en
Inventor
崎村孝阳
佐佐木昌
水落正志
佐佐木元
市川悟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyoraku Co Ltd
Tokyo Light Industry Co Ltd
Original Assignee
Kyoraku Co Ltd
Tokyo Light Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyoraku Co Ltd, Tokyo Light Industry Co Ltd filed Critical Kyoraku Co Ltd
Publication of CN107531372A publication Critical patent/CN107531372A/en
Application granted granted Critical
Publication of CN107531372B publication Critical patent/CN107531372B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/06Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2056Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
    • B65D47/2062Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve stem
    • B65D47/2075Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve stem in which the stem is raised by the pressure of the contents and thereby opening the valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/06Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0833Hinges without elastic bias
    • B65D47/0838Hinges without elastic bias located at an edge of the base element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/40Closures with filling and discharging, or with discharging, devices with drip catchers or drip-preventing means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

The present invention provides a kind of lid, after using content, without using the manually operated sealing state that just can be inside holding container of person, particularly in the case where content is liquid content, can suppress liquid drippage.It is radially spaced around the interior plug (13) of the circular horizontal wall portion (20) of lid body 4 to be positioned apart from ring-shaped protrusion (17), fill in ring-type accumulation groove portion (33) is provided between the annular flange portion (43a) of (13) and ring-shaped protrusion (17) inside.Thus, particularly in the case where content is liquid content, when covering lid (5) after use, although that liquid content is splashed out of cylindric guide portion (42) be present, but because the liquid content and the top part (51) and cylindric splashing suppressing portion (55) of lid (5) interfere, and the flowing of its side further out is blocked by ring-shaped protrusion (17), therefore the outside wall surface that circular horizontal wall portion (20) of the liquid content along main cover body (11) can be suppressed flows downward, thus, can suppress liquid content be attached to lid (5) main part (50) lower end inner circumferential edge situation, also hygienic requirements is met.

Description

Lid
Technical field
The present invention relates to a kind of lid by molding synthetic resin, it is installed in more particularly to one kind filled with liquid such as soy sauce The opening of container of the container of state content or the sticking mobility content of tool, and entered using the pressure in container The lid of row opening and closing.
Background technology
After the above thing has been used, the fastening such as operculum is weaker, then the sealing state being unable to maintain that in container be present, Air or mushroom etc. enter container in and cause content oxidation or mould grade breeding, accelerated deterioration the problems such as.To understand Certainly problem, it is proposed that a kind of lid for being installed on opening of container, extrude the main part of container and applied internal pressure to container, firm After just having used appropriate content, lid is operated manually without using person just being capable of the sealed container interior (mouth of container Portion) technology.
For example, Patent Document 1 discloses being entrenched in the lid body of opening of container includes:Passing away, it is communicated in The opening of container;Base portion, the inside of the passing away is embedded in, and there is tap;Check-valves, it is configured at described In base portion, only allow the discharge of the content from the tap, wherein, the check-valves is logical by being entrenched in the discharge Cylindrical portion in road, in a manner of forming gap from the internal face of the cylindrical portion towards center and with radiated entends can bullet Property deformation multiple flexure strips and formed with the valve member of the front end integrally connected of each flexure strip, the valve member position In the downstream of the discharge direction of the tap and for being opened and closed the tap, if released by the internal pressure for pressing to container Put, then each flexure strip of check-valves restores to the original state, and valve member blocks tap and makes to keep sealing state inside container.
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2013-241197 publications
The content of the invention
Invent problem to be solved
However, in the invention of patent document 1, after tending to occur at discharge content, due to the starting of check-valves so that It is not returned to from the content of passing away discharge in container and a part of situation about remaining in passing away, if now closing Close lid, then exist content by the cylindric close portion of lid to splash the problem of, also, in content be particularly liquid In the case of state content, the liquid content that splashing be present is dripped and is attached in lid lower end from the top part of lid body The possibility of circumferential edges, thus it is also not preferred, it is necessary to improve in terms of health.
The present invention is exactly to make in view of the above problems, its object is to provide a kind of lid, after using content, and nothing The manually operated sealing state that just can be inside holding container of user is needed, also, is particularly liquid content in content In the case of, liquid can be suppressed and dripped from the top part of lid body.
The means solved the problems, such as
The present invention is used as means for solving the problem, is by synthetic resin according to the invention that technical scheme 1 is recorded Manufactured lid, has the lid for being installed in the lid body of opening of container and being placed on the lid body, and its feature exists In the lid body includes:Interior plug, it is entrenched in the opening portion for being arranged at top part, and has passing away;Annular wall Portion, its ring-type valve seat for having tap and being arranged at the tap periphery, the tap are located at radial direction middle body And connected with the passing away;And check-valves, it is configured between the annular wall and the interior plug, passes through valve portion Depart from from the ring-type valve seat or valve portion is placed in the ring-type valve seat, so as to open or close the tap, the top Around the interior plug the and described interior radially spaced ring-shaped protrusion of plug is provided with face.
In the invention of technical scheme 1, particularly in the case where content is liquid content, when closing lid, Even if the liquid content in the passing away of interior plug is splashed, also it can suppress liquid from lid using ring-shaped protrusion The top part drippage of body.
The invention recorded according to technical scheme 2, wherein, in the invention that technical scheme 1 is recorded, the ring-shaped protrusion The inner surface of the interior plug side is formed:Incline from the upper end of the ring-shaped protrusion towards inner side relative to axially inclined Inclined-plane or flexure plane.
In the invention of technical scheme 2, the liquid content for the inner side for residuing in ring-shaped protrusion can be easily scratched off.
The effect of invention
According to the present invention, there is provided one kind lid, using after content, without using person is manually operated just being capable of holding container Internal sealing state, particularly in the case where content is liquid content, liquid can be suppressed from the top surface of lid body Portion is dripped.
Brief description of the drawings
Fig. 1 is the sectional view of lid according to the embodiment of the present invention.
Fig. 2 (a) is the structure of Fig. 1 lid, is the plan of the main cover body comprising lid and annular wall, (b) is (a) sectional view.
Fig. 3 is the enlarged drawing of Fig. 2 (b) part A.
Fig. 4 (a) is the top view of the check-valves of the composition part of Fig. 1 lid, and (b) is the sectional view of (a), and (c) is to face upward View.
Fig. 5 (a) is the plan of the interior plug of the composition part of Fig. 1 lid, and (b) is the sectional view of (a).
Embodiment
Below, based on Fig. 1~Fig. 5 to being described in detail for implementing embodiments of the present invention.
As shown in figure 1, be made up of according to the lid 1 of embodiment of the present invention lid body 4 and lid 5, wherein, lid body 4 is embedding Opening of container 3 together in container 2 and the tap 25 with content, lid 5 is via hinge 6 with forming the lid body 4 Main cover body 11 links.Check-valves 12 shown in the main cover body 11 as shown in Figure 2 of lid 1 of the present invention, Fig. 4, the interior plug 13 shown in Fig. 5 These three component parts assemble, and main cover body 11 includes the annular wall 10 linked with lid 5.It should be noted that lid Body 5 can also be configured to separate component without linking by hinge 6 and lid body 4.
As shown in figure 1, container 2 is, for example, the container that tubular container etc. is easily deformed, its inside is filled with liquid content Or the sticking mobility content of tool.The content for example can be soy sauce, olive oil, salad dressing, mayonnaise, tomato Sauce, fried pork chop dip, wasabi etc..Container 2 is to be applied internal pressure by extruding its main part 2a etc. to discharge content The container of type.Opening of container 3 is formed cylindrical shape.Formed with outer spiral shell in the bottom outside wall surface of the opening of container 3 Line portion 15.In the chimeric wall portion 16 that the top of opening of container 3 protrudes inwardly formed with whole surrounding wall portion court.Need what is illustrated It is that lid 1 of the invention can be also used for the double container (also including so-called peel container) being made up of outer container and inner pressurd vessel, And it is installed in the opening of container 3 of outer container 2.While inner pressurd vessel is filled with content inside it, have with interior Tolerant reduction and the pliability of contraction distortion.In order to maintain the shape after the volume-diminished of inner pressurd vessel, it is necessary to outer container with Extraneous air is sucked between inner pressurd vessel.
Lid body 4 is made up of the main cover body 11 of cylindrical shape, annular wall 10, check-valves 12 and interior plug 13, wherein, main cover Body 11 screws togather with opening of container 3, and annular wall 10 is from the internal face of the cylindric inner side wall portion 19 of main cover body 11 integratedly court Extend obliquely upward to radial center, and there is tap 25 in radial direction middle body, check-valves 12 is configured in the ring The top of shape wall portion 10, departed from by valve portion 36 from the ring-type valve seat 26 on the periphery of tap 25 or valve portion 36 is placed in tap The ring-type valve seat 26 on 25 peripheries, so as to open or close tap 25, interior plug 13 is configured in the top of the check-valves 12, with row Portal 25 connections and the passing away 41 with the content from tap 25.It is molded synthetic resin and the shaping of check-valves 12 The synthetic resin of main cover body 11, which is compared, has high resiliency.Specifically, main cover body 11 (including lid body 4) and interior plug 13 are by gathering Ethene is molded.Also, check-valves 12 is body formed by polyethylene elastomer.
As shown in Figure 1 and Figure 2, main cover body 11 is by cylindric external side wall 18, cylindric inner side wall portion 19 and conduct The circular horizontal wall portion 20 of top part is formed, wherein, cylindric external side wall 18 screws togather with opening of container 3, cylindric inner side The concentric circles of wall portion 19 it is configured at the inner side of the cylindric external side wall 18, circular horizontal wall portion 20 and cylindric external side wall 18 upper end and the upper end connection of cylindric inner side wall portion 19.On the internal face of cylindric external side wall 18, vertically Whole region is formed with the internal thread part 21 with being screwed togather located at the external thread part 15 of opening of container 3.The wall portion on the inside of cylindrical shape Annulus 22 is formed between 19 and cylindric external side wall 18.The upper end open of cylindric inner side wall portion 19 turns into and interior plug 13 Chimeric opening portion 19a.Outer circumference portion in the upper surface of circular horizontal wall portion 20, the circular protrusion formed with projection upward Portion 17.As shown in figure 3, the section shape of ring-shaped protrusion 17 by extend in the horizontal direction upper surface 17a, from the upper surface 17a inner opposite end towards the forniciform inner surface 17b for being gently bent into concavity and extending on the inside of diametric(al), from upper table The outer surface 17c that the face 17a outside other end axially extends is formed.In addition it is also possible to inner surface 17b is formed towards directly On the inside of the direction of footpath and relative to the inclined plane of axially inclined extension.As shown in Fig. 2 (b), the top of wall portion 19 on the inside of cylindrical shape Internal face is formed with along the circumferential direction with the chimeric recess 23 of the ring-type of ring-type extension.
As shown in Figure 1 and Figure 2, on the inside of cylindrical shape wall portion 19 lower inner wall face, annular wall 10 is from its circumference side To whole region one be radially oriented center and extend obliquely upward.Annular wall 10 is in frusto-conical.By annular wall Portion 10 and the internal face of cylindric inner side wall portion 19 form the unlimited space 24 in top.In the radial center part of annular wall 10 Tap 25 formed with circular.The outlet 25 connects with the inside of opening of container 3.On the periphery of the tap 25 Formed with ring-type valve seat 26.The ring-type valve seat 26 is formed inverted cone shape face 28.In the ring-type valve seat 26 of annular wall 10 On (inverted cone shape face 28) one at formed with circulation groove 27 radially.The circulation groove 27 is formed on the opposite of hinge 6 On the position of side.The cross section of circulation groove 27 is "U" font.
The external diameter of circular horizontal wall portion 20 is the path smaller than the external diameter of cylindric external side wall 18, is formed in its outside wall surface Have along the circumferential direction and the ridge fastener 31 of ring-type extension.Lid 5 is chimeric with the outside wall surface of the circular horizontal wall portion 20.In ring The lower surface of shape horizontal walls 20, the concentric circles of annular sealing portion 32 it is located in cylindric external side wall 18 and cylindric inner side Between wall portion 19.It is close to the upper end of opening of container 3 in the lower end of the annular sealing portion 32.
As shown in Fig. 1 and Fig. 4, check-valves 12 is by cylindric supporting part 34, multiple flexure strips 35, valve portion 36 and multiple Opening 37 is formed, wherein, cylindric supporting part 34 abuts with the internal face of the cylindric inner side wall portion 19 of main cover body 11, multiple The internal face of flexure strip 35 from the cylindric supporting part 34 is integratedly radially oriented center extension, and valve portion 36 opens or closes discharge Hole 25 and with the leading section integrally connected of each flexure strip 35, multiple openings 37 be arranged between each flexure strip 35 and circulate come From the content of tap 25.
Each flexure strip 35 is from the upper inside wall of cylindric supporting part 34 facing to radial center, and towards obliquely downward somewhat Extend deviously.In the present embodiment, flexure strip 35 is formed on 4 positions of circumferencial direction with 90 ° of spacing, and opening 37 are formed on 4 positions between each flexure strip 35 with 90 ° of spacing.Also, the leading section of each flexure strip 35 and valve portion 36 The upper limb integrally connected of outer circumference portion.The valve portion 36 is in domed shape, is circular and upward by top view shapes specifically The curved wall portion of protrusion is formed.Also, the outer circumference portion of valve portion 36 is to be placed in ring-type valve seat 26 (inverted cone shape face 28) Mode is formed as inverted cone shape face 29.Prominent spherical elevation 38 is provided with the upper surface of the valve portion 36.
As shown in Fig. 1 and Fig. 5, interior plug 13 is configured in the top of check-valves 12.The interior plug 13 is by cylindric supporting part 40th, cylindric guide portion 42 and circular horizontal wall portion 43 are formed, wherein, the cylindrical shape of cylindric supporting part 40 and main cover body 11 Inner side wall portion 19 is chimeric, is configured to the cylindric concentric circles of guide portion 42 inner side of cylindric supporting part 40, and inside it With passing away 41, circular horizontal wall portion 43 and the upper end of cylindric supporting part 40 and the lower end one of cylindric guide portion 42 Body connects.Ring-type in circular horizontal wall portion 43 formed with from the outer circumference surface from cylindric supporting part 40 to radially projecting setting Flange part 43a.Formed with multiple reinforcements between the lower wall surface of circular horizontal wall portion 43 and the internal face of cylindric supporting part 40 Muscle 45, the reinforcement 45 separate certain intervals in a circumferential direction.Annular flange portion 43a is formed as its height and compares ring-shaped protrusion 17 is slightly higher, and the ring-shaped protrusion 17 is arranged at the upper surface of the outer circumference portion of the circular horizontal wall portion 20 of main cover body 11.From ring-type The upper surface that horizontal walls 43 are arrived between annular flange portion 43a is horizontally extending.It should be noted that can also will be from ring Shape horizontal walls 43 are formed towards the radial outside inclined inclined plane in side gradually downward to annular flange portion 43a upper surface. In addition, removing annular flange portion 43a, the upper surface of circular horizontal wall portion 43 and the circular horizontal wall portion of main cover body 11 can also be made 20 upper surface (ring-type described below accumulates the bottom surface of groove portion 33) is in the same plane.Cylindric supporting part 40 is configured In the top for the cylindric supporting part 34 for forming check-valves 12.Cylindric supporting part 40 outside wall surface formed with along the circumferential direction The ring-type projecting strip part 44 of extension.The week of the thickness of the surrounding wall portion of cylindric supporting part 40 and the cylindric supporting part 34 of check-valves 12 The thickness of wall portion is roughly the same.
As shown in Figure 1 and Figure 2, lid 5 via hinge 6 and main cover body 11 the integrally connected of cylindric external side wall 18. The lid 5 is made up of the main part 50 and top part 51 of cylindrical shape, and cylindric main part 50 is via hinge 6 and main cover body 11 Cylindric external side wall 18 outside wall surface connection, the whole region of the circumferencial direction of the upper end of top part 51 and the main part 50 Integrally connected.Hung down in the radial direction middle body of top part 51 and be provided with the cylindric guide portion 42 of the interior plug 13 with forming lid body 4 The chimeric cylindric sealing 52 of upper end inner tight.Between top part 51, cylindric sealing 52 and main part 50 Hang down and be provided with cylindric splashing suppressing portion 55.In the ridge that the lower inner wall face of main part 50 extends formed with along the circumferential direction ring-type Fastener 53.In the side opposite with the side of hinge 6 in the external wall of upper portion face of main part 50, the handle held for user is provided with Portion 54 is held, handle part 54 is in prescribed limit along the circumferential direction towards protruding outside.
Next illustrated to assembling lid 1 of the invention and being installed on the method for opening of container 3.
First, check-valves 12 is installed on to the upper surface of the annular wall 10 of main cover body 11 from top.Specifically, with only Return what the internal face of wall portion 19 on the inside of the cylindrical shape of outside wall surface and the main cover body 11 of the cylindric supporting part 34 of valve 12 was mutually close to Mode, check-valves 12 is configured in the upper surface of annular wall 10.That is, it is arranged on from top by check-valves 12 by annular wall 10 Surrounded with the internal face of wall portion 19 on the inside of cylindrical shape in the unlimited space 24 in the top formed.
Next, by the interior configuration of plug 13 on the opening portion 19a on the inside of the cylindrical shape of main cover body 11 in wall portion 19, i.e. edge The internal face of the cylindric inner side wall portion 19 of main cover body 11 to configure the outside wall surface of the cylindric supporting part 40 of interior plug 13, and with The mode for pushing check-valves 12 is installed, so that the ring-type for being arranged at the outside wall surface of the cylindric supporting part 40 of interior plug 13 is dashed forward The recess 23 chimeric with the ring-type of the internal face of wall portion 19 on the inside of the cylindrical shape for being arranged at main cover body 11 of bar portion 44 is chimeric, while makes interior The annular flange portion 43a of plug 13 abuts assembling with the upper surface of circular horizontal wall portion 20.As a result, the valve portion 36 of check-valves 12 Outer circumference portion (inverted cone shape face 29) and (the inverted cone shape face of ring-type valve seat 26 on the periphery of tap 25 of annular wall 10 28) it is brought into close contact.Now, due to the lower end (outer circumference portion) of the valve portion 36 of check-valves 12 be located at than before assembling closer to top Position, therefore the downward active force (restoring force) of each flexure strip 35 using bending so that outside the valve portion 36 of check-valves 12 Circumferential part (inverted cone shape face 29) is to extrude (the inverted cone shape face of ring-type valve seat 26 on the periphery of tap 25 of annular wall 10 28) mode and be brought into close contact with ring-type valve seat 26 (inverted cone shape face 28).The cylindric guide portion 42 of interior plug 13 is positioned at only Go back to the surface of the valve portion 36 (tap 25) of valve 12.Also, the circular protrusion of the circular horizontal wall portion 20 located at main cover body 11 Portion 17 is positioned at the position with the annular flange portion 43a of interior plug 13 outer circumference surface interval, and filling in inside in radial directions Accumulate groove portion 33 formed with ring-type between 13 annular flange portion 43a and the ring-shaped protrusion 17 of main cover body 11.Thus, lid body 4 are completed.
Next, when lid 5 is covered on lid body 4, bending hinge 6 is simultaneously covered with lid 5 from the top of lid body 4 Mode cover lid 5.So, the ridge fastener 53 for being arranged at the main part 50 of lid 5 is arranged at main cover body 11 to cross The mode of ridge fastener 31 of circular horizontal wall portion 20 be mutually clamped, while be arranged at the cylinder of the top part 51 of lid 5 The upper end inner tight of the cylindric guide portion 42 of interior plug 13 of the shape sealing 52 with forming lid body 4 is chimeric.Now, it is arranged at The cylindric splashing suppressing portion 55 of lid 5 is configured in the extended line extended upward from the cylindric supporting part 40 of interior plug 13 On, the lower end of cylindric splashing suppressing portion 55 is configured to approach with the upper surface of circular horizontal wall portion 43.
Next, when lid body 4 is installed on into opening of container 3, the surrounding wall portion of opening of container 3 is inserted into lid originally In annulus 22 between the cylindric inner side wall portion 19 and cylindric external side wall 18 of body 4, and vessel port will be arranged at The internal thread part 21 of the internal face of cylindric external side wall 18 of the external thread part 15 of the outside wall surface in portion 3 with being arranged at lid body 4 Screw togather.So, the outside wall surface of the cylindric inner side wall portion 19 of main cover body 11 is pressed by the chimeric wall portion 16 of opening of container 3, from The lower end and the upper end of opening of container 3 of the vertical annular sealing portion 32 set in the lower surface of the circular horizontal wall portion 20 of main cover body 11 are tight Closely connected conjunction.So, the installation of lid 1 of the invention to opening of container 3.It should be noted that in the present embodiment, though So the method that lid 1 is installed on to opening of container 3 by screwing togather is illustrated, but other installation methods can also be utilized Such as the mode filled in is come the installation covered.
Next the effect to lid 1 according to the embodiment of the present invention illustrates.
When using content, lid 5 is first turned on, the interior plug 13 of lid body 4 is exposed to outside.
Secondly, the mode of the passing away 41 of plug 13 downward makes container 2 tilt and as discharge posture within Under state, if extruding the main part 2a of container 2 and container 2 being applied internal pressure, the internal pressure of container 2 acts on check-valves 12 The whole region of the lower wall surface of valve portion 36, so as to the elastic deformation in curved manner of each flexure strip 35 of check-valves 12, valve portion 36 Outer circumference portion (inverted cone shape face 29) from (the inverted cone shape face of ring-type valve seat 26 on the periphery of tap 25 of annular wall 10 28) depart from.As a result, the tap 25 of annular wall 10 opens, appropriate content is out of opening of container 3 via tap 25th, each opening 37 of check-valves 12 and it is interior plug 13 passing away 41 and to outside discharge.
Afterwards, if stopping the extruding to the main part 2a of container 2, the internal pressure of container 2 is released, check-valves 12 it is each Flexure strip 35 recovers, and the outer circumference portion (inverted cone shape face 29) of valve portion 36 is placed to the periphery of tap 25 of annular wall 10 On ring-type valve seat 26 (inverted cone shape face 28), and the tap 25 of annular wall 10 is closed by valve portion 36.Now, not from The passing away 41 of interior plug 13 is returned in container 2 to the content of outside discharge from circulation groove 27.It should be noted that thereafter Due to being uprised from valve portion 26 to the pressing force of ring-type valve seat 26, and valve portion 36 is flexible, therefore the aperture area of circulation groove 27 Reduce, finally because surface tension make it that content blocks the minimum opening of circulation groove 27, therefore the inside of container 2 can be made It is maintained at sealing state.So, after usage soon, without using the manually operated lid 1 of person, it becomes possible to make undischarged lid originally Content in body 4 is immediately returned in container 2, so as to the inside of promptly sealing container 2, is suppressed air and is flowed into container In 2.
If next, bending hinge 6 and by lid 5 by from the top of lid body 4 cover in a manner of cover, be arranged at lid The ridge fastener 53 of the main part 50 of body 5 with cross be arranged at lid body 4 (main cover body 11) circular horizontal wall portion 20 it is prominent The mode of bar fastener 31 engages, and is arranged at the cylindric sealing 52 of the top part 51 of lid 5 with forming lid body 4 The upper end inner tight of the cylindric guide portion 42 of interior plug 13 is fitted together to.
Now, particularly content be liquid content in the case of, when a part liquid content do not discharge and Remain in it is interior plug 13 passing away 41 it is interior (in cylindric guide portion 42) when, although the cylindric sealing 52 due to lid 5 Inwardly be fitted together in the cylindric guide portion 42 of plug 13 and liquid content is splashed out of cylindric guide portion 42, and with lid The circular horizontal wall portion 43 of plug 13 in being reached while the top part 51 of body 5 and cylindric splashing suppressing portion 55 interfere On, but to have blocked the liquid content further for the ring-shaped protrusion 17 of the circular horizontal wall portion 20 due to being arranged at main cover body 11 Flowing laterally, thus the liquid contents are accumulated between the annular flange portion 43a and ring-shaped protrusion 17 of interior plug 13 Ring-type accumulate groove portion 33 in.Therefore, the liquid content of splashing is not almost along the circular horizontal wall portion 20 of main cover body 11 Outside wall surface situation about flowing down, so as to suppress liquid content be attached to lid 5 main part 50 lower end inner periphery The situation at edge.Also, by the way that lid 5 is covered into lid body 4, can suppress foreign matter be mixed into lid body 4 (it is interior plug 13 with only Return between valve 12 and annular wall 10), and dual-seal can be carried out to the inside of container 2.Also, due in lid body 4 Sealed by lid 5, therefore remaining has some contents in the space 24 on annular wall 10, the content will not also be sent out Raw oxidation.
As described above, in the lid 1 of embodiments of the present invention, in the ring-type of lid body 4 (main cover body 11) It is radially spaced to be positioned apart from ring-shaped protrusion 17 around the interior plug 13 of horizontal walls 20 (top part), 13 are filled in inside Annular flange portion 43a and ring-shaped protrusion 17 between be provided with ring-type accumulate groove portion 33.Thus, particularly in liquid content In the case of, if covering lid 5 after use, remained inside in the cylindric guide portion 42 of plug 13 in a part of liquid In the case of tolerant, liquid content is splashed out of cylindric guide portion 42.Although however, the liquid content and lid 5 Top part 51 and cylindric splashing suppressing portion 55 are interfered and reached in the circular horizontal wall portion 43 of interior plug 13, but due to setting The ring-shaped protrusion 17 for being placed in the circular horizontal wall portion 20 of main cover body 11 blocks the flowing of its side further out, thus the liquid Content is accumulated in groove portion 33 by the ring-type between the annular flange portion 43a and ring-shaped protrusion 17 that accumulate in interior plug 13.Therefore, The liquid content of splashing will not flow down along the outside wall surface of the circular horizontal wall portion 20 of main cover body 11, and then can suppress liquid Attachment of the content to the inner circumferential edge of the lower end of the main part 50 of lid 5, also meets hygienic requirements.
In addition, in the lid 1 of embodiments of the present invention, due to the inner face of ring-shaped protrusion 17 be formed as bending it is in a concave shape Flexure plane, therefore user can easily scratch off ring-type accumulate groove portion 33 in liquid content.
Further, in the lid 1 of embodiments of the present invention, ring-shaped protrusion 17 is arranged on (the main cover body of lid body 4 11) circular horizontal wall portion 20, the radially position with surrounding's interval of interior plug 13, therefore except above-mentioned effect is imitated Outside fruit, additionally it is possible to inserted including preventing between the annular flange portion 43a of plug 13 and the circular horizontal wall portion 20 of main cover body 11 sharp Instrument etc. of profit and malice remove the situation of interior plug 13.That is, the annular flange portion 43a of ring-shaped protrusion 17, inside plug 13 is utilized It is difficult to insert sharp keen instrument etc. between the circular horizontal wall portion 20 of main cover body 11.
Reference
1 ... lid, 2 ... containers, 3 ... opening of container, 4 ... lid bodies, 5 ... lids, 6 ... hinges, 10 ... annular walls, 12 ... check-valves, 13 ... interior plugs, 17 ... ring-shaped protrusions, 17b ... inner surfaces, 19a ... opening portions, 20 ... circular horizontal wall portions (top part), 25 ... taps, 26 ... ring-type valve seats, 33 ... ring-types accumulation groove portion, 36 ... valve portions, 41 ... passing aways, 50 ... Lid.

Claims (2)

1. one kind lid, the lid are made up of synthetic resin, there is the lid body for being installed in opening of container and be placed on institute State the lid on lid body, it is characterised in that
The lid body includes:
Interior plug, it is entrenched in the opening portion for being arranged at top part, and has passing away;
Annular wall, its ring-type valve seat for having tap and being arranged at the tap periphery, the tap are located at footpath Connected to middle body and with the passing away;And
Check-valves, it is configured between the annular wall and the interior plug, departed from by valve portion from the ring-type valve seat or Person's valve portion is placed in the ring-type valve seat, so as to open or close the tap,
Around the interior plug the and described interior radially spaced ring-shaped protrusion of plug is provided with the top part.
2. lid according to claim 1, it is characterised in that
The inner surface of the interior plug side of the ring-shaped protrusion is formed:From the upper end of the ring-shaped protrusion towards inner side And relative to axially inclined inclined plane or flexure plane.
CN201680026103.2A 2015-03-30 2016-03-25 Lid Active CN107531372B (en)

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US20180086516A1 (en) 2018-03-29
EP3279109A1 (en) 2018-02-07
KR101932925B1 (en) 2018-12-27
JP2016188101A (en) 2016-11-04
JP6537319B2 (en) 2019-07-03
EP3279109A4 (en) 2018-12-19
WO2016158766A1 (en) 2016-10-06
EP3279109B1 (en) 2022-07-13
US10259624B2 (en) 2019-04-16
KR20170131673A (en) 2017-11-29
CN107531372B (en) 2019-10-15

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